Stand-up tube



FIG. 1 is a bottom and side perspective view of a stand-up tube showing my new design;

FIG. 2 is a side elevation view thereof, the remaining sides being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom and side perspective view of a second alternate embodiment;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevation view thereof, the remaining sides being identical;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom and side perspective view of a third alternate embodiment;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a side elevation view thereof, the remaining sides being identical; and,

FIG. 11 is a top plan view thereof. 

The ornamental design for a stand-up tube, as shown and described. 